The Matias switches are an ALPS variant designed by Matias Corp from Canada. ALPS has always been a popular mechanical switch type due to its use throughout the industries. The three variants are Quiet Click which are tactile but not clicky, Click which is tactile and clicky, and Quiet Linear which has an added rubber bumper to dampen the sound of the down stroke and up stroke.
Quiet Click - Tactile Touch (60g)
Click - Tactile Click (60g)
Quiet Linear - Smooth Linear (35g)